2012 Buick VeranoFACTORY OEM SERVICE PROCEDURE

Ignition Coil Replacement

Fig 1: Ignition Coil & Bolt
GM2557075Courtesy of GENERAL MOTORS COMPANY
Ignition Coil Replacement

Callout Component Name

Preliminary Procedures

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  3. Disconnect the 4 ignition coil wiring harness plugs.
1 Ignition Coil Bolt
CAUTION:

Refer to Fastener Caution .


TightenΒ 
10 N.m (89 lb in)
2 Ignition Coil
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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